/* ================================
   ASKOPTIMIZE - DESIGN SYSTEM
   ================================ */

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Couleurs principales */
    --primary-blue: #19aaed;
    --primary-dark: #1089c9;
    --primary-light: #4fc3f7;
    
    /* Couleurs secondaires */
    --secondary-green: #059669;
    --secondary-orange: #7c3aed; /* Violet/indigo au lieu d'orange */
    
    /* Neutres */
    --dark: #1a1a1a;
    --gray-900: #1f2937;
    --gray-700: #374151;
    --gray-600: #4b5563;
    --gray-500: #6b7280;
    --gray-300: #d1d5db;
    --gray-200: #e5e7eb;
    --gray-100: #f3f4f6;
    --white: #ffffff;
    
    /* Accents */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Typographie */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Poppins', var(--font-primary);
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Container */
    --container-max: 1200px;
    --container-padding: 1.5rem;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: 1.25rem;
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
}

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
}

/* === LAYOUT === */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

.section {
    padding: var(--spacing-3xl) 0;
}

.section-alt {
    background-color: var(--gray-100);
}

/* === HEADER & NAVIGATION === */
/* Header défini plus bas avec glass morphism noir */

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    min-height: 70px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    height: 100%;
}

.logo img {
    height: 50px !important;
    width: auto;
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-blue);
    transition: width var(--transition-base);
}

.nav-link:hover::after {
    width: 100%;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 2.5rem;
    color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    padding: 0.5rem;
    margin-right: -0.5rem;
    line-height: 1;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    text-decoration: none;
    line-height: 1;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    transition: opacity var(--transition-fast);
    z-index: 0;
}

.btn:hover::before {
    opacity: 1;
}

.btn > * {
    position: relative;
    z-index: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), #1089c9);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(25, 170, 237, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1089c9, var(--primary-blue));
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(25, 170, 237, 0.4);
    color: var(--white);
}

.btn-secondary {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--primary-blue);
    border-color: var(--primary-blue);
    box-shadow: 0 2px 8px rgba(25, 170, 237, 0.15);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--primary-blue), #1089c9);
    color: var(--white);
}

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* === HERO SECTION === */
.hero {
    padding: calc(var(--spacing-3xl) + 60px) 0 var(--spacing-3xl);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%232563eb' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
    margin: 0 auto;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--white);
    color: var(--primary-blue);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.hero h1 {
    margin-bottom: var(--spacing-md);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: 0.25rem;
}

/* === FEATURES / PILIERS === */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-blue);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    margin-bottom: var(--spacing-sm);
}

/* === SERVICES CARDS === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    border: 3px solid transparent;
    position: relative;
}

.service-card.featured {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-xl);
    transform: scale(1.02);
}

/* Badge supprimé - Pas de ::before */

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.service-header {
    background: linear-gradient(135deg, var(--primary-blue), var(--primary-light));
    color: var(--white);
    padding: var(--spacing-xl);
    text-align: center;
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.service-price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    white-space: nowrap;
}

.service-price-note {
    font-size: 0.875rem;
    opacity: 0.9;
    white-space: nowrap;
}

.service-body {
    padding: var(--spacing-xl);
}

.service-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.service-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.service-features li:last-child {
    border-bottom: none;
}

.service-features li::before {
    content: '✓';
    color: var(--success);
    font-weight: 700;
    flex-shrink: 0;
}

/* === PROCESS TIMELINE === */
.process-timeline {
    position: relative;
    margin-top: var(--spacing-xl);
}

.process-step {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.process-step::before {
    content: '';
    position: absolute;
    left: 25px;
    top: 50px;
    bottom: -50px;
    width: 2px;
    background: var(--gray-300);
}

.process-step:last-child::before {
    display: none;
}

.process-number {
    width: 50px;
    height: 50px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 1;
}

.process-content {
    flex: 1;
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.process-content h3 {
    margin-bottom: var(--spacing-sm);
}

.process-duration {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

/* === PRICING TABLES === */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card.recommended {
    border-color: var(--primary-blue);
    box-shadow: var(--shadow-xl);
    transform: scale(1.05);
    position: relative;
    padding-top: calc(var(--spacing-xl) + 45px);
}

.pricing-card.recommended::before {
    content: '⭐ LE PLUS POPULAIRE';
    position: absolute;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--primary-blue), #7c3aed);
    color: var(--white);
    padding: 0.625rem 1.5rem;
    border-radius: 60px;
    font-size: 0.75rem;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(25, 170, 237, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    z-index: 10;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.recommended:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-badge {
    display: none !important;
}

.pricing-badge {
    display: none !important;
}

.pricing-name {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.pricing-price {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.pricing-period {
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-lg);
}

.pricing-features {
    list-style: none;
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    gap: 0.75rem;
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features li::before {
    content: '→';
    color: var(--primary-blue);
    font-weight: 700;
}

/* === TESTIMONIALS === */
.testimonial {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    margin-bottom: var(--spacing-lg);
}

.testimonial-content {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700;
    font-size: 1.5rem;
}

.testimonial-info h4 {
    margin-bottom: 0.25rem;
}

.testimonial-role {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* === CONTACT FORM === */
.contact-form {
    max-width: 600px;
    margin: var(--spacing-xl) auto;
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

/* Styles pour formulaire Systeme.io */
.contact-form iframe {
    width: 100%;
    border: none;
    min-height: 800px;
}

.contact-form #form-script-tag-22805610 {
    width: 100%;
}

/* Si Systeme.io injecte des divs */
.contact-form > div {
    width: 100%;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--gray-900);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-blue);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    padding: 0.75rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-radio-label:hover {
    border-color: var(--primary-blue);
    background: var(--gray-100);
}

.form-radio-label input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary-blue);
}

/* === FOOTER === */
.footer {
    background: var(--dark);
    color: #ffffff;
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer p {
    color: #ffffff;
}

/* === WHATSAPP BUTTON STICKY === */
@keyframes whatsapp-pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 12px 32px rgba(37, 211, 102, 0.6);
    }
}

.whatsapp-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: var(--white) !important;
    padding: 16px 28px;
    border-radius: 60px;
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none !important;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all var(--transition-base);
    border: 2px solid rgba(255, 255, 255, 0.2);
    animation: whatsapp-pulse 3s ease-in-out infinite;
}

.whatsapp-btn:hover {
    background: linear-gradient(135deg, #128C7E, #075E54);
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.6);
    color: var(--white) !important;
    text-decoration: none !important;
    border-color: rgba(255, 255, 255, 0.3);
    animation: none;
}

.whatsapp-btn:active {
    transform: translateY(-2px) scale(1.02);
}

@media (max-width: 768px) {
    .whatsapp-btn {
        padding: 14px 24px;
        font-size: 0.9rem;
        bottom: 20px;
        right: 20px;
    }
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
    color: #ffffff;
    margin-bottom: var(--spacing-md);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
    color: #ffffff;
}

.footer-links a {
    color: #ffffff;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-blue);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: #ffffff;
}

.footer-bottom a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-bottom a:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

/* === UTILITIES === */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary-blue);
}

.text-secondary {
    color: var(--secondary-green);
}

.bg-primary {
    background-color: var(--primary-blue);
}

.bg-light {
    background-color: var(--gray-100);
}

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .nav {
        padding: 0.5rem 0;
    }
    
    .logo img {
        height: 45px !important;
    }
    
    .nav-menu {
        position: fixed;
        top: 60px;
        left: -100%;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.7);
        backdrop-filter: blur(20px) saturate(180%);
        -webkit-backdrop-filter: blur(20px) saturate(180%);
        width: 100%;
        padding: var(--spacing-lg);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
        transition: left var(--transition-base);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .features,
    .services-grid,
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        flex-direction: column;
    }
    
    .process-step::before {
        left: 25px;
        top: 50px;
    }
}

@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
    }
    
    .hero {
        padding: calc(var(--spacing-xl) + 60px) 0 var(--spacing-xl);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
}

/* === GLASS MORPHISM (LIQUID GLASS APPLE STYLE) === */
.glass {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.2);
}

.glass-dark {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}

/* Header avec effet glass NOIR translucide */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 0 4px 24px 0 rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: all var(--transition-base);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.85);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

/* Cards avec effet glass PRONONCÉ */
.feature-card,
.service-card,
.pricing-card,
.testimonial {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.feature-card:hover,
.service-card:hover,
.pricing-card:hover {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(30px) saturate(200%);
    -webkit-backdrop-filter: blur(30px) saturate(200%);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

/* Menu déroulant services avec effet glass */
.nav-dropdown {
    position: relative;
}

.nav-dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-dropdown-toggle:hover {
    color: var(--primary-blue);
}

.nav-dropdown-toggle::after {
    content: '▼';
    font-size: 0.625rem;
    transition: transform var(--transition-fast);
}

.nav-dropdown:hover .nav-dropdown-toggle::after {
    transform: rotate(180deg);
}

.nav-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 1rem;
    min-width: 280px;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(40px) saturate(200%);
    -webkit-backdrop-filter: blur(40px) saturate(200%);
    border-radius: var(--radius-xl);
    padding: var(--spacing-sm);
    box-shadow: 0 12px 48px 0 rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all var(--transition-base);
    z-index: 1000;
}

.nav-dropdown:hover .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-dropdown-item {
    display: block;
    padding: 0.875rem 1rem;
    color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
    font-weight: 500;
}

.nav-dropdown-item:hover {
    background: rgba(25, 170, 237, 0.2);
    color: var(--primary-blue);
    transform: translateX(4px);
}

.nav-dropdown-item .item-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.125rem;
    color: #ffffff;
}

.nav-dropdown-item .item-desc {
    display: block;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
}

@media (max-width: 768px) {
    .nav-dropdown-menu {
        position: static;
        transform: none;
        margin-top: 0.5rem;
        opacity: 1;
        visibility: visible;
        display: none;
        text-align: center;
    }
    
    .nav-dropdown-item {
        text-align: center;
    }
    
    .nav-dropdown.active .nav-dropdown-menu {
        display: block;
    }
    
    .nav-dropdown-toggle::after {
        content: '▼';
    }
    
    .nav-dropdown.active .nav-dropdown-toggle::after {
        transform: rotate(180deg);
    }
}